<template>
<div class="content_all">
    
    <!-- header区域 -->
    <!-- <mt-header fixed title="黑马程序员" class="mt_header">

	</mt-header> -->
	<mt-header fixed title="黑马程序员">
  	<a href="javascript:;" slot="left" @click="forward">
    <mt-button icon="back" v-show="flag">返回</mt-button>
  	</a>
</mt-header>
	<!-- <span class="foward" @click="forward">返回</span> -->
    <!-- 内容区域 -->
	<transition>
	<router-view></router-view>
	</transition>
	

	
  

    <!-- tabbar区域 -->
	  <nav class="mui-bar mui-bar-tab">
			<router-link to="/login" class="mui-tab-item-lib" >
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-lib" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-lib" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="shopplace">{{ $store.getters.optCount }}</span></span>
				<span class="mui-tab-label" >购物车</span>
			</router-link>
			<router-link class="mui-tab-item-lib" to="/serach">
				<span class="mui-icon mui-icon-gear"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>


</div>
</template>
<script>
export default {
	data() {
		return {
			flag: false
		}
	},
	methods: {
		forward() {
			this.$router.go(-1)
		}
	},
	// 实现当页面刷新后返回按钮消息
	created() {
		if (this.$route.path == '/login') {
			this.flag = false
		}else {
			this.flag = true
		}
	},
	watch: {
		"$route.path": function(res) {
			if (res == '/login') {
				this.flag = false
			}else {
				this.flag = true
			}
		}
	}
}
</script>

<style lang="scss" scoped>
    .content_all {
	// position: relative;
    padding-top: 40px;
	padding-bottom: 60px;
	// overflow: hidden;
	overflow-x: hidden;
    }
	.v-enter
	 {
		opacity: 0;
		transform: translateX(100%);
	}
	.v-leave-to {
		opacity: 0;
		transform: translateX(-100%);
		position: fixed;
	}
	.v-enter-active,
	.v-leave-active {
		transition: all 0.3s ease;
		
	}
// 这是解决tabbar  中mui-tab-item命名冲突问题
.mui-bar-tab .mui-tab-item-lib.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
// .foward {
// 	position: fixed;
// 	top: 10px;
// 	left: 10px;
// 	color: #fff;
// 	font-size: 13px;
// 	z-index: 9999;
// }


</style>